The Cottonwood tree is much more emblematic of Carson City than the Bristlecone Pine. Further, the Carson River, an essential element of Carson City, appears not to have been represented in the ...

And he found it: a Fremont cottonwood sapling, thin but sturdy, with flowing leaves shaped like spades from a deck of cards. It was sprouting from the foot of a tilting older cottonwood tree, at ...

The Annual Green-to-Golden Transition of San Diego’s wild grasslands normally takes place in late March or early April. But this winter season’s late and heavy precipitation triggered a late ...

The National Champion Tree Program will begin taking nominations for new Champion Trees on February 28. Crowned champions, like Frémont’s Cottonwood National Champion in Arizona (pictured ...

Even if the water returns, it's unlikely that the trees will. In fact, the range of the Fremont cottonwood, which has been quite broad and diverse, likely will narrow in the coming years.

PHOENIX — Amid the Arizona heat, researchers are finding Fremont Cottonwood trees can cool themselves down, but their survival depends on consistent water access. The trees essentially sweat ...